<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false) 
const registerData = ref({
  username: '',
  password: '',
  repassword: ''
})

const checkRePassword = (rule, value, callback) => {
  if (value !== registerData.value.password) {
    callback(new Error('两次密码不一致'))
  } else if (value === '') {
    callback(new Error('请输入确认密码'))
  } else {
    callback()
  }
}

//定义表单校验规则

const rules = {
  username: [
    {
      required: true,
      message: '请输入用户名',
      trigger: 'blur'
    },
    {
      min: 5,
      max: 16,
      message: '长度在 5 到 16 个字符',
      trigger: 'blur'
    }
  ],
  password: [
    {
      required: true,
      message: '请输入密码',
      trigger: 'blur'
    },
    {
      min: 5,
      max: 16,
      message: '长度在 5 到 16 个字符',
      trigger: 'blur'
    }
  ],
  repassword: [
    {
      required: true,
      message: '请输入确认密码',
      trigger: 'blur'
    },
    {
      min: 5,
      max: 16,
      message: '长度在 5 到 16 个字符',
      trigger: 'blur'
    },
    {
      validator: checkRePassword, trigger: 'blur'
    }
  ]

}

//调用后台接口
import { userRegisterService, userLoginService } from '@/api/user'
import { ElMessage } from 'element-plus';
const register = async () => {
  let result = await userRegisterService(registerData.value);
  // if(result.code === 0){
  //   alert(result.msg? result.msg : '注册成功');
  // }else{
  //   alert('注册失败')
  // }
  //alert(result.msg ? result.msg : '注册成功');
  ElMessage.success(result.msg ? result.msg : '注册成功');
  router.push('/');
}

import { useTokenStore } from '@/stores/token';
import { useRouter } from 'vue-router'
const router = useRouter();
const tokenStore = useTokenStore();
const login = async () => {
  let result = await userLoginService(registerData.value);
  /*   if(result.code === 0){
      alert(result.msg? result.msg : '登录成功');
    }else{
      alert('登录失败')
    } */

  //alert(result.msg ? result.msg : '登录成功');
  if (result.code === 0) {
    ElMessage.success(result.message ? result.message : '登录成功');
    tokenStore.setToken(result.data)
    router.push('/')
  } else {
    ElMessage.error(result.message ? result.message : '登录失败');
  }
}

const clearResgisterData = () => {
  registerData.value = {
    username: '',
    password: '',
    repassword: ''
  }
}

const ForgetPwd = () => {
  router.push('/forget')
}
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <el-card>
        <!-- 注册表单 -->
        <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
          <el-form-item>
            <h1>注册</h1>
          </el-form-item>
          <el-form-item prop="username">
            <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码"
              v-model="registerData.password"></el-input>
          </el-form-item>
          <el-form-item prop="repassword">
            <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码"
              v-model="registerData.repassword"></el-input>
          </el-form-item>
          <!-- 注册按钮 -->
          <el-form-item>
            <el-button class="button" type="primary" auto-insert-space @click="register">
              注册
            </el-button>
          </el-form-item>
          <el-form-item class="flex">
            <el-link type="info" :underline="false" @click="isRegister = false; clearResgisterData()">
              ← 返回
            </el-link>
          </el-form-item>
        </el-form>
        <!-- 登录表单 -->
        <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" :rules="rules">
          <el-form-item>
            <h1>登录</h1>
          </el-form-item>
          <el-form-item prop="username">
            <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码"
              v-model="registerData.password"></el-input>
          </el-form-item>
          <el-form-item class="flex">
            <div class="flex">
              <el-checkbox>记住我</el-checkbox>
              <el-link type="primary" :underline="false" @click="ForgetPwd">忘记密码？</el-link>
            </div>
          </el-form-item>
          <!-- 登录按钮 -->
          <el-form-item>
            <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
          </el-form-item>
          <el-form-item class="flex">
            <el-link type="info" :underline="false" @click="isRegister = true; clearResgisterData()">
              注册 →
            </el-link>
          </el-form-item>
        </el-form>
      </el-card>

    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
      url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>